Example #1
0
    def _vasp_potcar_setup(self, my_poscar):
        """Set up the POTCAR file."""
        name = self.keywords['name']

        if 'mast_xc' in self.keywords['program_keys'].keys():
            myxc = self.keywords['program_keys']['mast_xc'].upper() #Uppercase
        else:
            raise MASTError("vasp_checker, _vasp_potcar_setup","Exchange correlation functional needs to be specified in ingredients keyword mast_xc")

        if ('mast_pp_setup' in self.keywords['program_keys'].keys()):
            sites = my_poscar.site_symbols
            setup = self.keywords['program_keys']['mast_pp_setup']
            pp_sites = list()
            for site in sites:
                try:
                    pp_sites.append(setup[site])
                except KeyError:
                    pp_sites.append(site)
            my_potcar = Potcar(symbols=pp_sites, functional=myxc, sym_potcar_map=None)
        else:
            my_potcar = Potcar(symbols=my_poscar.site_symbols, functional=myxc, sym_potcar_map=None)

        dirutil.lock_directory(name)
        my_potcar.write_file(name + "/POTCAR")
        dirutil.unlock_directory(name)
        return my_potcar
Example #2
0
def gen_potcar(dirname, filename):
    if filename == "POTCAR.spec":
        fullpath = os.path.join(dirname, filename)
        f = open(fullpath, "r")
        elements = f.readlines()
        f.close()
        symbols = [el.strip() for el in elements if el.strip() != ""]
        potcar = Potcar(symbols)
        potcar.write_file(os.path.join(dirname, "POTCAR"))
Example #3
0
def gen_potcar(dirname, filename):
    if filename == "POTCAR.spec":
        fullpath = os.path.join(dirname, filename)
        f = open(fullpath, "r")
        elements = f.readlines()
        f.close()
        symbols = [el.strip() for el in elements if el.strip() != ""]
        potcar = Potcar(symbols)
        potcar.write_file(os.path.join(dirname, "POTCAR"))
Example #4
0
def scaleCell(path,volume):
    poscar = os.path.join(path,'POSCAR')
    refcar = os.path.join(path,'REFCAR')
    potcar = Potcar()

    assert os.path.isfile(poscar)

    struct = read_structure(poscar)
    struct.scale_lattice(volume)
    species = [ pot.element for pot in potcar.from_file('POTCAR') ]
    reprule = { old:new  for old,new in zip(struct.composition.elements,species) }
    struct.replace_species(reprule)

    p = Poscar(struct)

    with open(poscar) as f:
        poscomment = f.readline().strip()

    p.comment = poscomment
    p.write_file(poscar,vasp4_compatible=True)

    if os.path.isfile(refcar):
        tmp = os.path.join(path,'POSCARtmp')

        # copy Poscar to temporary file and refcar to poscar
        copyfile(poscar,tmp)
        copyfile(refcar,poscar)

        struct = read_structure(poscar)
        struct.scale_lattice(volume)
        species = [ pot.element for pot in potcar.from_file('POTCAR') ]
        reprule = { old:new  for old,new in zip(struct.composition.elements,species) }
        struct.replace_species(reprule)

        r = Poscar(struct)

        with open(poscar) as f:
            poscomment = f.readline().strip()

        r.comment = poscomment
        r.write_file(poscar,vasp4_compatible=True)

        with open(refcar) as f:
            poscomment = f.readline().strip()

        r.comment = poscomment
        r.write_file(refcar,vasp4_compatible=True)

        # replace poscar with its original
        move(tmp,poscar)
    else:
        print 'No REFCAR found.'
Example #5
0
    def __init__(self,
                 acf_path='./ACF.dat',
                 chgcar_filename="./CHGCAR",
                 aecar0="./AECCAR0",
                 aecar2="./AECCAR2",
                 potcar_filename="./POTCAR",
                 bader_path="./bader CHGCAR -ref Charge_sum"):
        print "Reading CHGCAR"
        self.chgcar = Chgcar.from_file(chgcar_filename)
        ##uncomment if you have to run from scratch##

        #	self.contcar = Structure.from_file(contcar_filename)
        #	print "Reading AECCAR0"
        #       Vol_obj_1 = Chgcar.from_file(aecar0)
        #	print "Reading AECCAR2"
        #       Vol_obj_2 = Chgcar.from_file(aecar2)
        #	print "Summing"
        #       Vol_obj_sum = Vol_obj_1.linear_add(Vol_obj_2)
        #	print "Writing Combined Sum"
        #       Vol_obj_sum.write_file("./Charge_sum")
        #	self.exe = bader_path
        #	os.system(self.exe)
        self.potcar = Potcar.from_file(
            potcar_filename) if potcar_filename is not None else None
        self.natoms = self.chgcar.poscar.natoms
        chgcarpath = os.path.abspath(chgcar_filename)
        data = []

        with open(acf_path) as f:
            print "Reading ACF"
            raw = f.readlines()
            headers = [s.lower() for s in raw.pop(0).split()]
            raw.pop(0)
        while True:
            l = raw.pop(0).strip()
            if l.startswith("-"):
                break
            vals = map(float, l.split()[1:])
            data.append(dict(zip(headers[1:], vals)))
        for l in raw:
            toks = l.strip().split(":")
            if toks[0] == "VACUUM CHARGE":
                self.vacuum_charge = float(toks[1])
            elif toks[0] == "VACUUM VOLUME":
                self.vacuum_volume = float(toks[1])
            elif toks[0] == "NUMBER OF ELECTRONS":
                self.nelectrons = float(toks[1])
        self.data = data
    def __init__(self, acf_path='./ACF.dat', chgcar_filename="./CHGCAR",
                 aecar0="./AECCAR0", aecar2="./AECCAR2",
                 potcar_filename="./POTCAR",
                 bader_path="./bader CHGCAR -ref Charge_sum"):
        print "Reading CHGCAR"
        self.chgcar = Chgcar.from_file(chgcar_filename)
        ##uncomment if you have to run from scratch##

        #	self.contcar = Structure.from_file(contcar_filename)
        #	print "Reading AECCAR0"
        #       Vol_obj_1 = Chgcar.from_file(aecar0)
        #	print "Reading AECCAR2"
        #       Vol_obj_2 = Chgcar.from_file(aecar2)
        #	print "Summing"
        #       Vol_obj_sum = Vol_obj_1.linear_add(Vol_obj_2)
        #	print "Writing Combined Sum"
        #       Vol_obj_sum.write_file("./Charge_sum")
        #	self.exe = bader_path
        #	os.system(self.exe)
        self.potcar = Potcar.from_file(
            potcar_filename) if potcar_filename is not None else None
        self.natoms = self.chgcar.poscar.natoms
        chgcarpath = os.path.abspath(chgcar_filename)
        data = []

        with open(acf_path) as f:
            print "Reading ACF"
            raw = f.readlines()
            headers = [s.lower() for s in raw.pop(0).split()]
            raw.pop(0)
        while True:
            l = raw.pop(0).strip()
            if l.startswith("-"):
                break
            vals = map(float, l.split()[1:])
            data.append(dict(zip(headers[1:], vals)))
        for l in raw:
            toks = l.strip().split(":")
            if toks[0] == "VACUUM CHARGE":
                self.vacuum_charge = float(toks[1])
            elif toks[0] == "VACUUM VOLUME":
                self.vacuum_volume = float(toks[1])
            elif toks[0] == "NUMBER OF ELECTRONS":
                self.nelectrons = float(toks[1])
        self.data = data
Example #7
0
    def process_killed_run(cls, dir_name):
        """
        Process a killed vasp run.
        """
        fullpath = os.path.abspath(dir_name)
        logger.info("Processing Killed run " + fullpath)
        d = {"dir_name": fullpath, "state": "killed", "oszicar": {}}

        for f in os.listdir(dir_name):
            filename = os.path.join(dir_name, f)
            if fnmatch(f, "INCAR*"):
                try:
                    incar = Incar.from_file(filename)
                    d["incar"] = incar.to_dict
                    d["is_hubbard"] = incar.get("LDAU", False)
                    if d["is_hubbard"]:
                        us = incar.get("LDAUU", [])
                        js = incar.get("LDAUJ", [])
                        if sum(us) == 0 and sum(js) == 0:
                            d["is_hubbard"] = False
                            d["hubbards"] = {}
                    else:
                        d["hubbards"] = {}
                    if d["is_hubbard"]:
                        d["run_type"] = "GGA+U"
                    elif incar.get("LHFCALC", False):
                        d["run_type"] = "HF"
                    else:
                        d["run_type"] = "GGA"
                except Exception as ex:
                    print str(ex)
                    logger.error("Unable to parse INCAR for killed run {}.".format(dir_name))
            elif fnmatch(f, "KPOINTS*"):
                try:
                    kpoints = Kpoints.from_file(filename)
                    d["kpoints"] = kpoints.to_dict
                except:
                    logger.error("Unable to parse KPOINTS for killed run {}.".format(dir_name))
            elif fnmatch(f, "POSCAR*"):
                try:
                    s = Poscar.from_file(filename).structure
                    comp = s.composition
                    el_amt = s.composition.get_el_amt_dict()
                    d.update(
                        {
                            "unit_cell_formula": comp.to_dict,
                            "reduced_cell_formula": comp.to_reduced_dict,
                            "elements": list(el_amt.keys()),
                            "nelements": len(el_amt),
                            "pretty_formula": comp.reduced_formula,
                            "anonymous_formula": comp.anonymized_formula,
                            "nsites": comp.num_atoms,
                            "chemsys": "-".join(sorted(el_amt.keys())),
                        }
                    )
                    d["poscar"] = s.to_dict
                except:
                    logger.error("Unable to parse POSCAR for killed run {}.".format(dir_name))
            elif fnmatch(f, "POTCAR*"):
                try:
                    potcar = Potcar.from_file(filename)
                    d["pseudo_potential"] = {"functional": "pbe", "pot_type": "paw", "labels": potcar.symbols}
                except:
                    logger.error("Unable to parse POTCAR for killed run in {}.".format(dir_name))
            elif fnmatch(f, "OSZICAR"):
                try:
                    d["oszicar"]["root"] = Oszicar(os.path.join(dir_name, f)).to_dict
                except:
                    logger.error("Unable to parse OSZICAR for killed run in {}.".format(dir_name))
            elif re.match("relax\d", f):
                if os.path.exists(os.path.join(dir_name, f, "OSZICAR")):
                    try:
                        d["oszicar"][f] = Oszicar(os.path.join(dir_name, f, "OSZICAR")).to_dict
                    except:
                        logger.error("Unable to parse OSZICAR for killed " "run in {}.".format(dir_name))
        return d
Example #8
0
    def process_killed_run(cls, dir_name):
        """
        Process a killed vasp run.
        """
        fullpath = os.path.abspath(dir_name)
        logger.info("Processing Killed run " + fullpath)
        d = {"dir_name": fullpath, "state": "killed", "oszicar": {}}

        for f in os.listdir(dir_name):
            filename = os.path.join(dir_name, f)
            if fnmatch(f, "INCAR*"):
                try:
                    incar = Incar.from_file(filename)
                    d["incar"] = incar.to_dict
                    d["is_hubbard"] = incar.get("LDAU", False)
                    if d["is_hubbard"]:
                        us = incar.get("LDAUU", [])
                        js = incar.get("LDAUJ", [])
                        if sum(us) == 0 and sum(js) == 0:
                            d["is_hubbard"] = False
                            d["hubbards"] = {}
                    else:
                        d["hubbards"] = {}
                    if d["is_hubbard"]:
                        d["run_type"] = "GGA+U"
                    elif incar.get("LHFCALC", False):
                        d["run_type"] = "HF"
                    else:
                        d["run_type"] = "GGA"
                except Exception as ex:
                    print str(ex)
                    logger.error(
                        "Unable to parse INCAR for killed run {}.".format(
                            dir_name))
            elif fnmatch(f, "KPOINTS*"):
                try:
                    kpoints = Kpoints.from_file(filename)
                    d["kpoints"] = kpoints.to_dict
                except:
                    logger.error(
                        "Unable to parse KPOINTS for killed run {}.".format(
                            dir_name))
            elif fnmatch(f, "POSCAR*"):
                try:
                    s = Poscar.from_file(filename).structure
                    comp = s.composition
                    el_amt = s.composition.get_el_amt_dict()
                    d.update({
                        "unit_cell_formula": comp.to_dict,
                        "reduced_cell_formula": comp.to_reduced_dict,
                        "elements": list(el_amt.keys()),
                        "nelements": len(el_amt),
                        "pretty_formula": comp.reduced_formula,
                        "anonymous_formula": comp.anonymized_formula,
                        "nsites": comp.num_atoms,
                        "chemsys": "-".join(sorted(el_amt.keys()))
                    })
                    d["poscar"] = s.to_dict
                except:
                    logger.error(
                        "Unable to parse POSCAR for killed run {}.".format(
                            dir_name))
            elif fnmatch(f, "POTCAR*"):
                try:
                    potcar = Potcar.from_file(filename)
                    d["pseudo_potential"] = {
                        "functional": "pbe",
                        "pot_type": "paw",
                        "labels": potcar.symbols
                    }
                except:
                    logger.error(
                        "Unable to parse POTCAR for killed run in {}.".format(
                            dir_name))
            elif fnmatch(f, "OSZICAR"):
                try:
                    d["oszicar"]["root"] = \
                        Oszicar(os.path.join(dir_name, f)).to_dict
                except:
                    logger.error(
                        "Unable to parse OSZICAR for killed run in {}.".format(
                            dir_name))
            elif re.match("relax\d", f):
                if os.path.exists(os.path.join(dir_name, f, "OSZICAR")):
                    try:
                        d["oszicar"][f] = Oszicar(
                            os.path.join(dir_name, f, "OSZICAR")).to_dict
                    except:
                        logger.error("Unable to parse OSZICAR for killed "
                                     "run in {}.".format(dir_name))
        return d
Example #9
0
 def test_init(self):
     filepath = os.path.join(test_dir, 'POTCAR')
     potcar = Potcar.from_file(filepath)
     self.assertEqual(potcar.symbols, ["Fe", "P", "O"], "Wrong symbols read in for POTCAR")